Shrimp Ceviche

Ingredients

• 3 pounds large raw tiger shrimp, peeled and deveined
• 4 large tomatoes, seeded and diced
• 1 small red onion, diced
• 2 serrano peppers, seeded and finely chopped
• 1 cucumber, peeled and diced
• Handful cilantro, chopped plus several sprigs for garnish
• 2 avocados, peeled, pitted and cubed
• 1 teaspoon olive oil
• Salt to taste
• Pepper to taste
• 6 limes, juiced
• 4 lemons juiced
• 1 bag of tortilla chips or tostadas